//
//  ArticleStyleLoader.swift
//  Vienna
//
//  Copyright 2019
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//  https://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//

import Foundation

class ArticleStyleLoader: NSObject {

    @objc static var stylesDirectoryURL = FileManager.default.applicationSupportDirectory.appendingPathComponent("Styles", isDirectory: true)

    private static var loaded = false

    private static var styles = NSMutableDictionary()

    @objc static var stylesMap: NSMutableDictionary {
        loaded ? styles : reloadStylesMap()
    }

    @objc
    static func reloadStylesMap() -> NSMutableDictionary {
        guard let path = Bundle.main.sharedSupportURL?.appendingPathComponent("Styles").path else {
            return [:]
        }
        loadMapFromPath(path, styles, true, nil)
        loadMapFromPath(stylesDirectoryURL.path, styles, true, nil)

        loaded = true

        return styles
    }
}
